Spice S-707, Руководство пользователя

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Conference: Add the held call to conference call.
Transfer: Transfer current call to a designated phone number
(network support is needed).
End Single: Hang up the call in process.
End All: Hang up all the calls in process and held.
Phone Book: Enter phonebook.
Messages: Enter message service.
Sound Recorder: Record current call.
Mute:
Turn on/off the mute function. When the mute function is
turned on, you can hear voice from the other side while the other side
can not hear your voice.
DTMF: Turn on/off the DTMF (Double Tune Multiple Frequency)
function.
4.5.5 Adjust headphone volume
In the process of talk, you can press left navigation key and right
navigation key to adjust earphone volume.
Press [Left navigation key] to turn up volume.
Press [Right navigation key] to turn down volume.
4.5.6 Multi-party talk
If network supports, six parties can talk at the same time.
Note: Not all networks support multi-party tal service. k
Procedure for establishing a multi-party talk:
Put through the first call as usual.
Put through the second call, the first call will be automatically held.